Probably from rhodon (a rose); Rhodus, an island of the Mediterranean -- Rhodes.
Thayer's Greek Lexicon
Strong's 4499: Ῥόδος
Ῥόδος, ῤόδου, ἡ, Rhodes ((cf. Pape, Eigennamen, under the word)), a well-known island of the Cyclades opposite Caria and Lycia, with a capital of the same name: Acts 21:1. ((From Homer down); 1 Macc. 15:23.)
Acts 21:1 - N-AFS GRK:εἰς τὴν Ῥόδον κἀκεῖθεν εἰς NAS: and the next day to Rhodes and from there KJV: unto Rhodes, and from thence INT: to Rhodes and from there to
